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Submission #282925

# Submission time Handle Problem Language Result Execution time Memory
282925 2020-08-25T07:25:25 Z 최은수(#5745) Iqea (innopolis2018_final_C) C++17
36 / 100
 1590 ms 262148 KB 
#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
struct dsu
{
    int pa[100010];
    inline void init()
    {
        fill(pa,pa+100010,-1);
        return;
    }
    dsu(){init();}
    int par(int x)
    {
        if(pa[x]==-1)
            return x;
        return pa[x]=par(pa[x]);
    }
    inline void uni(int x,int y)
    {
        x=par(x);
        y=par(y);
        if(x==y)
            return;
        pa[x]=y;
        return;
    }
}uf1,uf2;
vector<int>adj[200010];
int sz[200010];
void sdfs(int x,int p)
{
    sz[x]=1;
    for(int&t:adj[x])
        if(t!=p)
            sdfs(t,x),sz[x]+=sz[t];
    return;
}
bool chk[200010];
int dis[200010][18];
void dfs(int x,int p,int d,int cd)
{
    dis[x][cd]=d;
    sz[x]=1;
    for(int&t:adj[x])
        if(!chk[t]&&t!=p)
            dfs(t,x,d+1,cd),sz[x]+=sz[t];
    return;
}
int get(int x,int p,int z)
{
    int ms=-1,mi=-1;
    for(int&t:adj[x])
        if(!chk[t]&&t!=p&&sz[t]>ms)
            ms=sz[t],mi=t;
    if(ms<=sz[z]/2)
        return x;
    return get(mi,x,z);
}
int cdep[200010];
int cpa[200010];
void dnc(int x)
{
    chk[x]=1;
    for(int&t:adj[x])
    {
        if(chk[t])
            continue;
        dfs(t,x,1,cdep[x]);
        int nc=get(t,x,t);
        cpa[nc]=x;
        cdep[nc]=cdep[x]+1;
        dnc(nc);
    }
    return;
}
vector<pi>sv1[100010];
vector<pi>sv2[100010];
vector<vector<int> >ind[100010];
int sz1[100010],sz2[100010];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin>>n;
    vector<pi>p(n);
    for(pi&t:p)
        cin>>t.fi>>t.se;
    vector<pi>sxv=p,syv=p;
    auto cmp1=[](const pi&x,const pi&y){return x<y;};
    auto cmp2=[](const pi&x,const pi&y){return pi(x.se,x.fi)<pi(y.se,y.fi);};
    sort(all(sxv),cmp1);
    sort(all(syv),cmp2);
    for(int i=1;i<n;i++)
        if(sxv[i].fi==sxv[i-1].fi&&sxv[i].se==sxv[i-1].se+1)
            uf1.uni(i,i-1);
    for(int i=1;i<n;i++)
        if(syv[i].fi==syv[i-1].fi+1&&syv[i].se==syv[i-1].se)
            uf2.uni(i,i-1);
    for(int i=1;i<n;i++)
    {
        if(sxv[i].fi==sxv[i-1].fi&&sxv[i].se==sxv[i-1].se+1)
        {
            int p1=uf2.par(lower_bound(all(syv),sxv[i-1],cmp2)-syv.begin())+n;
            int p2=uf2.par(lower_bound(all(syv),sxv[i],cmp2)-syv.begin())+n;
            adj[p1].eb(p2);
            adj[p2].eb(p1);
        }
    }
    for(int i=1;i<n;i++)
    {
        if(syv[i].fi==syv[i-1].fi+1&&syv[i].se==syv[i-1].se)
        {
            int p1=uf1.par(lower_bound(all(sxv),syv[i-1],cmp1)-sxv.begin());
            int p2=uf1.par(lower_bound(all(sxv),syv[i],cmp1)-sxv.begin());
            adj[p1].eb(p2);
            adj[p2].eb(p1);
        }
    }
    for(int i=0;i<n*2;i++)
    {
        sort(all(adj[i]));
        adj[i].erase(unique(all(adj[i])),adj[i].end());
    }
    sdfs(uf1.par(0),-1);
    int c1=get(uf1.par(0),-1,uf1.par(0));
    cpa[c1]=-1;
    dnc(c1);
    sdfs(uf2.par(0)+n,-1);
    int c2=get(uf2.par(0)+n,-1,uf2.par(0)+n);
    cpa[c2]=-1;
    dnc(c2);
    for(int i=0;i<n;i++)
    {
        auto&t=sxv[i];
        int p1=uf1.par(i);
        int p2=uf2.par(lower_bound(all(syv),t,cmp2)-syv.begin())+n;
        vector<int>cp1,cp2;
        while(p1!=-1)
            cp1.eb(p1),p1=cpa[p1];
        while(p2!=-1)
            cp2.eb(p2),p2=cpa[p2];
        for(int&u:cp1)
            for(int&v:cp2)
                sv1[u].eb(v-n,i);
        sz1[i]=cp1.size();
        sz2[i]=cp2.size();
    }
    for(int i=0;i<n;i++)
    {
        for(pi&t:sv1[i])
            sv2[t.fi].eb(i,t.se);
        sv1[i].clear(),sv1[i].shrink_to_fit();
    }
    int ct=0;
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<(int)sv2[i].size();j++)
        {
            int cid=sv2[i][j].se;
            if(ind[cid].empty())
                ind[cid].resize(sz1[cid],vector<int>(sz2[cid],0));
            ind[cid][cdep[sv2[i][j].fi]][cdep[i+n]]=ct;
            if(j==(int)sv2[i].size()-1||sv2[i][j].fi!=sv2[i][j+1].fi)
                ct++;
        }
        sv2[i].clear(),sv2[i].shrink_to_fit();
    }
    vector<int>arr(ct,0);
    int q;
    cin>>q;
    for(int qi=0;qi<q;qi++)
    {
        int t,x,y;
        cin>>t>>x>>y;
        int id=lower_bound(all(sxv),pi(x,y),cmp1)-sxv.begin();
        int p1=uf1.par(id);
        int p2=uf2.par(lower_bound(all(syv),pi(x,y),cmp2)-syv.begin())+n;
        if(t==1)
            for(int i=cdep[p1];i>=0;i--)
                for(int j=cdep[p2];j>=0;j--)
                    arr[ind[id][i][j]]=min(arr[ind[id][i][j]],dis[p1][i]+dis[p2][j]-inf);
        else
        {
            int ans=0;
            for(int i=cdep[p1];i>=0;i--)
                for(int j=cdep[p2];j>=0;j--)
                    ans=min(ans,arr[ind[id][i][j]]+dis[p1][i]+dis[p2][j]);
            if(ans==0)
                ans=-1;
            else
                ans+=inf;
            cout<<ans<<'\n';
        }
    }
    return 0;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12928 KB Output is correct
2 Correct 9 ms 12928 KB Output is correct
3 Correct 9 ms 12928 KB Output is correct
4 Correct 29 ms 16456 KB Output is correct
5 Correct 36 ms 16316 KB Output is correct
6 Correct 30 ms 17056 KB Output is correct
7 Correct 39 ms 18160 KB Output is correct
8 Correct 42 ms 18396 KB Output is correct
9 Correct 42 ms 18552 KB Output is correct
10 Correct 39 ms 18344 KB Output is correct
11 Correct 40 ms 18384 KB Output is correct
12 Correct 40 ms 18368 KB Output is correct
13 Correct 42 ms 18664 KB Output is correct
14 Correct 39 ms 18032 KB Output is correct
15 Correct 50 ms 18256 KB Output is correct
16 Correct 40 ms 18024 KB Output is correct
17 Correct 39 ms 18172 KB Output is correct
18 Correct 39 ms 17892 KB Output is correct
19 Correct 37 ms 17704 KB Output is correct
20 Correct 49 ms 19764 KB Output is correct
21 Correct 41 ms 18372 KB Output is correct
22 Correct 50 ms 20452 KB Output is correct
23 Correct 48 ms 19736 KB Output is correct
24 Correct 49 ms 20832 KB Output is correct
25 Correct 27 ms 17532 KB Output is correct
26 Correct 26 ms 15484 KB Output is correct
27 Correct 22 ms 15100 KB Output is correct
28 Correct 48 ms 20704 KB Output is correct
29 Correct 50 ms 20716 KB Output is correct
30 Correct 50 ms 21196 KB Output is correct
31 Correct 50 ms 20832 KB Output is correct
32 Correct 62 ms 20776 KB Output is correct
33 Correct 53 ms 21016 KB Output is correct
34 Correct 51 ms 20816 KB Output is correct
35 Correct 54 ms 20892 KB Output is correct
36 Correct 26 ms 17528 KB Output is correct
37 Correct 58 ms 20888 KB Output is correct
38 Correct 49 ms 20756 KB Output is correct
39 Correct 50 ms 21008 KB Output is correct
40 Correct 59 ms 21008 KB Output is correct
41 Correct 47 ms 20108 KB Output is correct
42 Correct 47 ms 20236 KB Output is correct
43 Correct 28 ms 17276 KB Output is correct
44 Correct 49 ms 20172 KB Output is correct
45 Correct 56 ms 20292 KB Output is correct
46 Correct 23 ms 15164 KB Output is correct
47 Correct 39 ms 18808 KB Output is correct
48 Correct 36 ms 17628 KB Output is correct
49 Correct 36 ms 17792 KB Output is correct
50 Correct 34 ms 17268 KB Output is correct
51 Correct 33 ms 17520 KB Output is correct
52 Correct 38 ms 18408 KB Output is correct
53 Correct 41 ms 18840 KB Output is correct
54 Correct 42 ms 19100 KB Output is correct
55 Correct 44 ms 19328 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12928 KB Output is correct
2 Correct 9 ms 12928 KB Output is correct
3 Correct 9 ms 12928 KB Output is correct
4 Correct 29 ms 16456 KB Output is correct
5 Correct 36 ms 16316 KB Output is correct
6 Correct 30 ms 17056 KB Output is correct
7 Correct 39 ms 18160 KB Output is correct
8 Correct 42 ms 18396 KB Output is correct
9 Correct 42 ms 18552 KB Output is correct
10 Correct 39 ms 18344 KB Output is correct
11 Correct 40 ms 18384 KB Output is correct
12 Correct 40 ms 18368 KB Output is correct
13 Correct 42 ms 18664 KB Output is correct
14 Correct 39 ms 18032 KB Output is correct
15 Correct 50 ms 18256 KB Output is correct
16 Correct 40 ms 18024 KB Output is correct
17 Correct 39 ms 18172 KB Output is correct
18 Correct 39 ms 17892 KB Output is correct
19 Correct 37 ms 17704 KB Output is correct
20 Correct 49 ms 19764 KB Output is correct
21 Correct 41 ms 18372 KB Output is correct
22 Correct 50 ms 20452 KB Output is correct
23 Correct 48 ms 19736 KB Output is correct
24 Correct 49 ms 20832 KB Output is correct
25 Correct 27 ms 17532 KB Output is correct
26 Correct 26 ms 15484 KB Output is correct
27 Correct 22 ms 15100 KB Output is correct
28 Correct 48 ms 20704 KB Output is correct
29 Correct 50 ms 20716 KB Output is correct
30 Correct 50 ms 21196 KB Output is correct
31 Correct 50 ms 20832 KB Output is correct
32 Correct 62 ms 20776 KB Output is correct
33 Correct 53 ms 21016 KB Output is correct
34 Correct 51 ms 20816 KB Output is correct
35 Correct 54 ms 20892 KB Output is correct
36 Correct 26 ms 17528 KB Output is correct
37 Correct 58 ms 20888 KB Output is correct
38 Correct 49 ms 20756 KB Output is correct
39 Correct 50 ms 21008 KB Output is correct
40 Correct 59 ms 21008 KB Output is correct
41 Correct 47 ms 20108 KB Output is correct
42 Correct 47 ms 20236 KB Output is correct
43 Correct 28 ms 17276 KB Output is correct
44 Correct 49 ms 20172 KB Output is correct
45 Correct 56 ms 20292 KB Output is correct
46 Correct 23 ms 15164 KB Output is correct
47 Correct 39 ms 18808 KB Output is correct
48 Correct 36 ms 17628 KB Output is correct
49 Correct 36 ms 17792 KB Output is correct
50 Correct 34 ms 17268 KB Output is correct
51 Correct 33 ms 17520 KB Output is correct
52 Correct 38 ms 18408 KB Output is correct
53 Correct 41 ms 18840 KB Output is correct
54 Correct 42 ms 19100 KB Output is correct
55 Correct 44 ms 19328 KB Output is correct
56 Correct 98 ms 17036 KB Output is correct
57 Correct 109 ms 17928 KB Output is correct
58 Correct 98 ms 16704 KB Output is correct
59 Correct 120 ms 18252 KB Output is correct
60 Correct 123 ms 18860 KB Output is correct
61 Correct 145 ms 19476 KB Output is correct
62 Correct 128 ms 18380 KB Output is correct
63 Correct 130 ms 18660 KB Output is correct
64 Correct 129 ms 18976 KB Output is correct
65 Correct 123 ms 18724 KB Output is correct
66 Correct 125 ms 19784 KB Output is correct
67 Correct 129 ms 18560 KB Output is correct
68 Correct 124 ms 19520 KB Output is correct
69 Correct 117 ms 18932 KB Output is correct
70 Correct 121 ms 18884 KB Output is correct
71 Correct 120 ms 17492 KB Output is correct
72 Correct 127 ms 18640 KB Output is correct
73 Correct 130 ms 18524 KB Output is correct
74 Correct 122 ms 17504 KB Output is correct
75 Correct 93 ms 15848 KB Output is correct
76 Correct 100 ms 15100 KB Output is correct
77 Correct 161 ms 21096 KB Output is correct
78 Correct 159 ms 21204 KB Output is correct
79 Correct 104 ms 17520 KB Output is correct
80 Correct 163 ms 21132 KB Output is correct
81 Correct 172 ms 21028 KB Output is correct
82 Correct 159 ms 20360 KB Output is correct
83 Correct 146 ms 20604 KB Output is correct
84 Correct 96 ms 17352 KB Output is correct
85 Correct 158 ms 20668 KB Output is correct
86 Correct 172 ms 20496 KB Output is correct
87 Correct 80 ms 15236 KB Output is correct
88 Correct 114 ms 18652 KB Output is correct
89 Correct 116 ms 18480 KB Output is correct
90 Correct 122 ms 18640 KB Output is correct
91 Correct 115 ms 18008 KB Output is correct
92 Correct 95 ms 17428 KB Output is correct
93 Correct 114 ms 19032 KB Output is correct
94 Correct 131 ms 19856 KB Output is correct
95 Correct 131 ms 19256 KB Output is correct
96 Correct 156 ms 19440 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 451 ms 76664 KB Output is correct
2 Correct 689 ms 143876 KB Output is correct
3 Runtime error 636 ms 262148 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1516 ms 181600 KB Output is correct
2 Correct 1513 ms 185728 KB Output is correct
3 Correct 1493 ms 199880 KB Output is correct
4 Correct 1590 ms 208940 KB Output is correct
5 Correct 1542 ms 212260 KB Output is correct
6 Correct 1485 ms 196016 KB Output is correct
7 Correct 1482 ms 185120 KB Output is correct
8 Correct 1469 ms 218224 KB Output is correct
9 Correct 1513 ms 215164 KB Output is correct
10 Runtime error 812 ms 262148 KB Execution killed with signal 9
11 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 12928 KB Output is correct
2 Correct 9 ms 12928 KB Output is correct
3 Correct 9 ms 12928 KB Output is correct
4 Correct 29 ms 16456 KB Output is correct
5 Correct 36 ms 16316 KB Output is correct
6 Correct 30 ms 17056 KB Output is correct
7 Correct 39 ms 18160 KB Output is correct
8 Correct 42 ms 18396 KB Output is correct
9 Correct 42 ms 18552 KB Output is correct
10 Correct 39 ms 18344 KB Output is correct
11 Correct 40 ms 18384 KB Output is correct
12 Correct 40 ms 18368 KB Output is correct
13 Correct 42 ms 18664 KB Output is correct
14 Correct 39 ms 18032 KB Output is correct
15 Correct 50 ms 18256 KB Output is correct
16 Correct 40 ms 18024 KB Output is correct
17 Correct 39 ms 18172 KB Output is correct
18 Correct 39 ms 17892 KB Output is correct
19 Correct 37 ms 17704 KB Output is correct
20 Correct 49 ms 19764 KB Output is correct
21 Correct 41 ms 18372 KB Output is correct
22 Correct 50 ms 20452 KB Output is correct
23 Correct 48 ms 19736 KB Output is correct
24 Correct 49 ms 20832 KB Output is correct
25 Correct 27 ms 17532 KB Output is correct
26 Correct 26 ms 15484 KB Output is correct
27 Correct 22 ms 15100 KB Output is correct
28 Correct 48 ms 20704 KB Output is correct
29 Correct 50 ms 20716 KB Output is correct
30 Correct 50 ms 21196 KB Output is correct
31 Correct 50 ms 20832 KB Output is correct
32 Correct 62 ms 20776 KB Output is correct
33 Correct 53 ms 21016 KB Output is correct
34 Correct 51 ms 20816 KB Output is correct
35 Correct 54 ms 20892 KB Output is correct
36 Correct 26 ms 17528 KB Output is correct
37 Correct 58 ms 20888 KB Output is correct
38 Correct 49 ms 20756 KB Output is correct
39 Correct 50 ms 21008 KB Output is correct
40 Correct 59 ms 21008 KB Output is correct
41 Correct 47 ms 20108 KB Output is correct
42 Correct 47 ms 20236 KB Output is correct
43 Correct 28 ms 17276 KB Output is correct
44 Correct 49 ms 20172 KB Output is correct
45 Correct 56 ms 20292 KB Output is correct
46 Correct 23 ms 15164 KB Output is correct
47 Correct 39 ms 18808 KB Output is correct
48 Correct 36 ms 17628 KB Output is correct
49 Correct 36 ms 17792 KB Output is correct
50 Correct 34 ms 17268 KB Output is correct
51 Correct 33 ms 17520 KB Output is correct
52 Correct 38 ms 18408 KB Output is correct
53 Correct 41 ms 18840 KB Output is correct
54 Correct 42 ms 19100 KB Output is correct
55 Correct 44 ms 19328 KB Output is correct
56 Correct 98 ms 17036 KB Output is correct
57 Correct 109 ms 17928 KB Output is correct
58 Correct 98 ms 16704 KB Output is correct
59 Correct 120 ms 18252 KB Output is correct
60 Correct 123 ms 18860 KB Output is correct
61 Correct 145 ms 19476 KB Output is correct
62 Correct 128 ms 18380 KB Output is correct
63 Correct 130 ms 18660 KB Output is correct
64 Correct 129 ms 18976 KB Output is correct
65 Correct 123 ms 18724 KB Output is correct
66 Correct 125 ms 19784 KB Output is correct
67 Correct 129 ms 18560 KB Output is correct
68 Correct 124 ms 19520 KB Output is correct
69 Correct 117 ms 18932 KB Output is correct
70 Correct 121 ms 18884 KB Output is correct
71 Correct 120 ms 17492 KB Output is correct
72 Correct 127 ms 18640 KB Output is correct
73 Correct 130 ms 18524 KB Output is correct
74 Correct 122 ms 17504 KB Output is correct
75 Correct 93 ms 15848 KB Output is correct
76 Correct 100 ms 15100 KB Output is correct
77 Correct 161 ms 21096 KB Output is correct
78 Correct 159 ms 21204 KB Output is correct
79 Correct 104 ms 17520 KB Output is correct
80 Correct 163 ms 21132 KB Output is correct
81 Correct 172 ms 21028 KB Output is correct
82 Correct 159 ms 20360 KB Output is correct
83 Correct 146 ms 20604 KB Output is correct
84 Correct 96 ms 17352 KB Output is correct
85 Correct 158 ms 20668 KB Output is correct
86 Correct 172 ms 20496 KB Output is correct
87 Correct 80 ms 15236 KB Output is correct
88 Correct 114 ms 18652 KB Output is correct
89 Correct 116 ms 18480 KB Output is correct
90 Correct 122 ms 18640 KB Output is correct
91 Correct 115 ms 18008 KB Output is correct
92 Correct 95 ms 17428 KB Output is correct
93 Correct 114 ms 19032 KB Output is correct
94 Correct 131 ms 19856 KB Output is correct
95 Correct 131 ms 19256 KB Output is correct
96 Correct 156 ms 19440 KB Output is correct
97 Correct 451 ms 76664 KB Output is correct
98 Correct 689 ms 143876 KB Output is correct
99 Runtime error 636 ms 262148 KB Execution killed with signal 9
100 Halted 0 ms 0 KB -